/Engine/Source/Runtime/Engine/Classes/SparseVolumeTexture/SparseVolumeTexture.h
Ensures all frames have derived data (based on the source data and the current settings like TextureAddress modes etc.) cached to DDC and are ready for rendering. Disconnects this SVT from the streaming manager, calls Cache() on all frames and finally connects to FStreamingManager again.
void RecacheFrames()